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T: Fachverband Teilchenphysik

T 11: QCD (Theorie) II

T 11.8: Vortrag

Donnerstag, 31. März 2011, 18:30–18:45, 30.23: 10-1

Automating the MENLOPS approach in Sherpa — Stefan Hoeche¹, Frank Krauss², •Marek Schoenherr³, and Frank Siegert⁴ — ¹Stanford Linear Accelerator Center, Stanford University, Stanford, USA — ²Institute for Particle Physics Phenomenology, University of Durham, Durham, United Kingdom — ³Institut fuer Kern- und Teilchenphysik, Technische Universitaet Dresden, Dresden, Germany — ⁴Physikalisches Institut, Albert-Ludwigs-Universitaet Freiburg, Freiburg, Germany

The MENLOPS approach combining the ME+PS approach, merging sequences of tree-level matrix elements into inclusive event samples, with the Powheg method, matching exact NLO matrix elements with parton showers, and its automated implementation in the Sherpa event generator are discussed. Further, the benefits of this approach in describing lepton and hadron collider data are exemplified and the theoretical accuracy of observables calculated using the resulting event samples is assessed.